(i) Expand BOD.<br> (ii) At a particular segment of a river near a sugar factory, the BOD is much higher than the …

Rhizobium is an imprtant ......... bacterium</h2></div>

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by </h2>&lt…

How is Bacillus thuringiensis available to be sprayed on plants?

<span>What makes cyanobacteria agriculturally important?</span></h2></div>

The microorganisms involved in floc formation during sewage treatment are </h2></div>

The biofertilizer present in the roots of legumes is</h2></div>

Instead of using chemical fertilizers in a paddy field, a farmer thought of employing nitrogen fixation technique. Among…